Model: 89-494-4

Internal Gear

Special Features:

Counterbore nom. Diameter 6.0468 in., nom depth 0.394 in.

Properties:

Body Style
Plain, solid
Pitch Diameter
5.4000 inches
Teeth Quantity
27
Bore Style
Plain both ends
Hardness Rating
59.0 rockwell c and 62.0 rockwell c
Outside Diameter
6.9200 inches
Teeth Type
Spur
Tooth Form
Standard
Pressure Angle
20.0000 degrees
Bore Diameter
6.161 inches both ends
Material
Steel
Material Specification
Qq-s-624, fs4812 or fs4815 federal specification single material response
NSN
3020-00-278-6663
Part Number
89-494-4
Description
Gear,internal
CAGE
72447

A gear with teeth formed on the inner surface of a cylinder or cone.

Part 89-494-4 NSN 3020-00-278-6663

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05465
FIIG:
A27300
Concept No.:
1
App. Key:
AG
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
197339
UFC:
96710
LTL:
65.0
LCL:
60.0
WCC:
593
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 8483409000
  • SITC: 74840
  • End Use: Industrial machines, other
  • NAICS: 333612
  • USDA: 1

Freight Class: Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately

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